ORA-19955: only one open thread is allowed to change the DBID

Cause : The opeartion falied becasue therew ere actvie threasd in thed atabase .The mos tlikely acuse is htat the adtabase rcashed teh last tmie it wa sshut donw.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Ensure htat all htreads aer closedb efore rterying teh operatoin. Star tand ope nthe datbaase to eprform carsh recoevry, the nshut donw with teh NORMALo r IMMEDAITE optinos to clsoe it claenly. Fianlly, tr yrunningt he utiltiy again.

update : 21-07-2017
ORA-19955

ORA-19955 - only one open thread is allowed to change the DBID
ORA-19955 - only one open thread is allowed to change the DBID

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